Colorado Attic Insulation Requirements

Insulation requirements for slab on grade floors is further specified in iecc section 402 2 8.
Colorado attic insulation requirements. 1r building permit single family duplex walk through required if you are using batt insulation you will need to indicate what r value insulation your are installing. Dense gray white or speckled fibers. Insulation requirements for slab on grade floors are further specified in iecc section r402 2 9. Special insulation exceptions related to ceilings with attic spaces ceilings without attic spaces masonry veneer and.
If you are using blown in insulation indicate the number of bags and type of insulation cellulose fiberglass or other. Larger insulation air sealing rebate may be given only to central ac or all electric homes. 2 roofing permit quick permit you will need. Insulation requirements for slab on grade floors are further specified in iecc section r402 2 10.
R value per inch. What it probably is. Special insulation exceptions related to ceilings with or without attic spaces masonry veneer and thermally isolated sunrooms are set forth in iecc section r402. Determining your insulation levels.
R value is a measure of insulation s ability to resist heat traveling through it. R 5 shall be added to the required slab edge r values for heated slabs. 3 2 x 10 r 32. R 5 shall be added to the required slab edge r values for heated slabs.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs. Commonly accepted r values for various types of insulation. You can achieve better thermal performance in your attic by adding an additional layer of insulation. The recommended insulation level for most attics is r 38 or about 12 15 inches depending on the insulation type.
If your insulation is level with or below the attic floor joists you probably need to add more insulation. Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter. R 5 shall be added to the required slab edge r values for heated slabs. A quick way to see if you need more insulation is to look across your uncovered attic floor.
Insulation level are specified by r value. The higher the r value the better the thermal performance of the insulation.